Rear Wishbone Mercedes W204 W212 Control Arm Tension Strut Right O/S A2043503406

Rear Wishbone Mercedes W204 W212 Control Arm Tension Strut Right O/S is an original suspension component designed for the rear axle on the passenger side. As part of the Control arms and ball joints group, it ensures precise wheel guidance, stable vehicle handling in corners, and predictable suspension performance during daily operation.

Specifications and technical data

• SKU: A2043503406
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2043503406
• Substitutable numbers: A2043503406, A 204 350 34 06
• Location on the vehicle: Rear, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The presented rear wishbone is designed to operate on the right side of the rear axle, where it is responsible for maintaining proper suspension geometry and stable wheel guidance relative to the body. A correctly selected and functional component of this type limits unwanted changes in wheel toe and camber, which translates into predictable vehicle handling and even tire wear.

In the multi-link suspension design used in mid-size and luxury Mercedes models, this wishbone works with other arms and ball joints to create a cohesive system responsible for ride comfort, effective shock absorption, and stability at higher speeds.

Benefits of using an original rear wishbone

Using an original rear wishbone in a Mercedes W204 or W212 allows for the preservation of factory suspension performance parameters. The design and geometry of the arm are matched to the vehicle's characteristics, ensuring that:

• proper rear axle wheel geometry is maintained,
• "wandering" of the rear of the car during braking and acceleration is limited,
• the predictability of the vehicle's response to rapid load changes is increased,
• the risk of premature tire wear on the rear right side is reduced.

For workshops and users, this means easier geometry adjustment and fewer returns for corrections after wheel alignment.

Component characteristics and service application

The rear right wishbone for the Mercedes W204 and W212 series is designed for installation in factory mounting points, which facilitates the mechanic's work and shortens repair time. This component is particularly recommended in situations where:

• play has been detected in the suspension on the right side of the rear axle,
• problems with geometry adjustment have appeared after a collision or hitting an obstacle,
• knocking or instability of the rear of the vehicle occurs while driving over uneven surfaces.

Replacing this component is a standard service procedure in case of joint wear or arm deformation, and using an original part allows for maintaining consistency with other suspension system components.

Part selection by numbers and integration with other suspension elements

For the correct selection of the rear wishbone for a specific Mercedes version, it is crucial to use the OEM part number and interchangeable numbers available in the technical specification. This enables precise matching to the given body and engine variant, as well as verification of compatibility with the manufacturer's catalogs.

If you are planning a comprehensive repair or upgrade of the rear suspension area in your Mercedes and need other elements from the same group, such as additional wishbones, ball joints, or control arms, check the available parts in the Mercedes control arms and ball joints category.

Technical support and knowledge about the suspension system

To better understand the role of the rear wishbone in suspension design and the relationships between shock absorbers, wishbones, and stabilizers, it is worth referring to specialized materials. Practical information on the diagnostics and operation of these components can be found in the article Suspension system – a comprehensive guide to shock absorbers, wishbones, and stabilizers, which discusses typical symptoms of wear and good service practices.

If you are interested in how the use of used OEM components can affect repair time and vehicle maintenance costs, the material Availability of car parts off-the-shelf vs. repair time – how do used OEM parts shorten workshop stays? will also be helpful, describing the practical aspects of workshop work and the optimization of service processes.